25323904 has 48 divisors (see below), whose sum is σ = 52133220. Its totient is φ = 12251904.

The previous prime is 25323901. The next prime is 25323917. The reversal of 25323904 is 40932352.

It is a super-2 number, since 2×25323904² = 1282600227602432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25323901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236619 + ... + 236725.

Almost surely, 2^25323904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25323904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26066610).

25323904 is an abundant number, since it is smaller than the sum of its proper divisors (26809316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25323904 is an equidigital number, since it uses as much as digits as its factorization.

25323904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 25323904 is about 5032.2861603848. The cubic root of 25323904 is about 293.6591604433.

The spelling of 25323904 in words is "twenty-five million, three hundred twenty-three thousand, nine hundred four".